Home / 33,138.20-49,707.30-9,764.60

Finding the Fourth Proportional to 33,138.20, 49,707.30 and 9,764.60

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Solution

The fourth proportional to 33,138.20, 49,707.30 and 9,764.60 is: 14,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.20 : 49,707.30 = 9,764.60 : x
  2. Step 2: Convert to fraction form
    33,138.20/49,707.30 = 9,764.60/x
  3. Step 3: Cross multiply
    33,138.20x = 49,707.30 × 9,764.60
  4. Step 4: Simplify right side
    33,138.20x = 485,371,901.58
  5. Step 5: Solve for x
    x = 485,371,901.58/33,138.20
  6. Step 6: Final answer
    x = 14,646.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.